CVE-2026-21889
Weblate leaks information via screenshots
EPSS 0.05%
Description
### Impact The screenshot images were served directly by the HTTP server without proper access control. This could allow an unauthenticated user to access screenshots after guessing their filename. ### Patches * https://github.com/WeblateOrg/weblate/pull/17516 ### References Thanks to Lukas May and Michael Leu for reporting this.
How to fix CVE-2026-21889
To remediate CVE-2026-21889, upgrade the affected package to a fixed version below.
- PyPI/weblate—upgrade to 5.15.2 or later
Is CVE-2026-21889 being exploited?
Low — EPSS is 0.1%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, < 5.15.2
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 4.0 | — | CVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:L/SI:N/SA:N |